Hungary and Italy have both reported an outbreak of the severe H5N1 avian influenza virus in the first such cases in the ...

The latest developments are highly concerning, as they raise the possibility that the H5N1 virus has evolved the ability to ...

U.S. health officials have run into obstacles in their efforts to determine whether a Missouri person infected with H5N1 bird ...

The World Health Organization says there have been increasing reports of deadly outbreaks among mammals caused by influenza ...

Forty-seven tigers, three lions and a panther have died in zoos in south Vietnam due to the H5N1 bird flu virus, state media ...

Forty-seven tigers, three lions and a panther have died in zoos in south Vietnam due to the H5N1 bird flu virus, state media ...

The fatal outbreak occurred between August and September at the private My Quynh Safari Park in Long An province and the Vuon ...

Forty-seven tigers, three lions and a panther have died in zoos in South Vietnam due to the H5N1 bird flu virus, state media ...

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) confirmed H5N1 avian flu in one more dairy herd in Idaho, pushing the national total to 244 across 14 states.

Missouri officials are under growing pressure from national public health experts to pinpoint the source of the state’s first ...

Missouri officials are under growing pressure from national public health experts to pinpoint the source of the state’s first ...